SOURCE: loud squealing noise
The noise is most likely the serpentine belt. Check it's condition and that of the belt tensioner. It sounds like the belt is slipping, causing the squealing noise u describe. As the belt warms up, it's getting a better 'grip' and the noise stops. Turning on the heat also turns on the a/c in newer cars, this added drag on the belt (one more component to turn, the a/c compressor) would explain why it happens when u turn on the heat. Is the belt original? If yes, it's time to change it, and check the belt tensioner to make sure it's doing it's job of keeping the belt snug on all the pulleys. Let me know how u make out.
SOURCE: Squealing noise in 2002 Nissan Sentra
Seems like a drive belt problem, to confirm pour some water on belts the noise should go away or may get louder for a second. If either happens the belt or belts needs to be adjusted or replaced. Good Luck, If I fixed ya, leave me a FIX-YA comment thanks
SOURCE: 2001 BMW 330i clutch vibration
u have a worn out clutch pressure plate release bearing, that is what u feel and hear..
SOURCE: Clutch makes a squealing noise
Hello;
The throw out bearing is going oout. The reason you hear the squeal when you push in the clutch is that is when the throw out bearing spins up. Rest of the time it does not spin.It is irratating, You should replace the entire clutch assembly when you replace the throw out bearing. Hope this helps, rate me high.
Thanks;
Rich
RPM Northwest
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